Control apparatus for power assist steering system

Details Control apparatus for power assist steering system Control apparatus for power assist steering system

B - Operations, Transporting

62

D

340/133, 342/32

B62D 5/04 (2006.01) B62D 6/10 (2006.01)

Patent

CA 1256534

Abstract An apparatus is disclosed for controlling an electric assist steering system having an electric motor drivably connected to a steering member to assist in driv- ing the steering member. The apparatus includes torsion sensing means for providing an output signal indicative of the amount of force applied to a vehicle hand wheel to accomplish a steering maneuver; means for generating a variable amount of electrical drive potential for driving the electric motor in accordance with the output signal of the torsion sensing means; and switch means connected to the electric motor and to the generating means and mechanically actuatable in response to a predetermined amount of force applied for connecting the variable amount of electrical drive potential to the electric motor when in an actuated condition.

496526

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